CN1632258A - Light-duty high-strength fabric cement fly ash construction wallboard and complete set equipment for making same - Google Patents
Light-duty high-strength fabric cement fly ash construction wallboard and complete set equipment for making same Download PDFInfo
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Abstract
A light-duty high-strength fabric cement fly ash construction wallboard which choosing cement, silex powder, fly ash, plant fibre, cellulose methyl (MC) and water as raw material and a complete set equipment for making same. The wallboard not only can be used for inner partition wall in buildings but also can be used for outer wall of buildings, outer decorative wall and the wall used by public facilities such as acoustical insulation wall, fireproof wall, retaining wall and barrier wall, and also can be used for producing special-shaped plate such as L type, skirting line and picture molding, thereby prevents the low technical target of the production of conventional wallboard and uniqueness of product category. The wallboard has high intensity, beautiful and delicate appearance, can not be easily deformed, and has prominent properties of anti-bending, antisepticise, anti-ultraviolet ray, freeze and melt proof, workability, heat preservation, sound isolation, fire prevention, fire prevention.
Description
Technical field
The present invention relates to a kind of building wall board, relate in particular to a kind of light high-strength fiber cement fly ash building wall board, also relate to simultaneously the complete set of equipments for the manufacture of this building wall board.
Background technology
Progress along with expanding economy and technology, the development of materials for wall also obtains advancing in construction field, various light hollow slat products for building have become one of staple product of novel wall material in the building field, and are widely used in various construction projects. Although the building hollow lath has been obtained significant progress, its production Technology and product quality still exist following problems:
1, production scale is little, and is mostly about 50,000 square metres/year, workshop-based for semi-mechanization, do not form industrialization, scale, automated production;
2, in rare mechanization production mode, its output only is about 300,000 square metres/year, and can only production with fixed lengths, satisfies the user to the requirement of length by final cutting, and what bring but is to increase cost and production efficiency descends thereupon;
3, unstable product quality, technical performance index is on the low side, the exterior wall material of especially using as building maintenance structure, at present desirable product without comparison also.
Summary of the invention
The object of the present invention is to provide a kind ofly take cement, Cab-O-sil, flyash, string and methylcellulose (MC) and water as raw-material light high-strength fiber cement fly ash building wall board, also be provided for making simultaneously the complete set of equipments of this building wall board.
The raw material components of light high-strength fiber cement fly ash building wall board involved in the present invention and content (parts by weight) are as follows:
Cement 20-30 part flyash 30-50 part
Cab-O-sil 20-30 part string and organic fiber 3-5 part
Methylcellulose (MC) 0.3-0.5 part water 13-20 part
Wherein, Cab-O-sil can substitute with zeolite powder or vermiculite power, and the proportioning of zeolite powder or vermiculite power is identical with the proportioning of Cab-O-sil. In addition, also can be with spherical cinclides perlite to substitute part Cab-O-sil or zeolite powder and vermiculite power, alternative amount can be at the 30-50% of Cab-O-sil, zeolite powder and vermiculite power consumption.
The production technology of light-duty high-strength fabric cement fly ash construction sheet material involved in the present invention may further comprise the steps:
To lay in silo or feed bin separately through selection or finished raw material (cement, flyash, Cab-O-sil or zeolite powder and vermiculite power, string, methylcellulose), various raw materials except water are joined in the mixer of duty through behind the weight metering respectively, through adding gradually again through the water of metering after stirring and fully stirring, the compound that then will mix and stir is discharged into a constant batcher, extrude, the long cutting of embossing, survey, transport mounting plate, enter kiln maintenance, kiln discharge through the high pressure vacuum extruder, at last, through Surface Machining, smart cutting, piling packing, the steam-cured finished product that is of autoclave typing.
For realizing above-mentioned production technology, the invention still further relates to the complete set of equipments for the production of this light high-strength fiber cement fly ash building wall board, its characteristics are: the mould outlet at the high pressure vacuum extruder is installed the synchronous belt machine with the free roll platform, edge knurling machine is installed in the and then exit position of high pressure vacuum extruding machine mold, across synchronous belt machine top, roller height is regulated with products thickness, and at the other end of synchronous belt machine, synchronization cutting mechanism is across synchronous belt machine top; At the end of synchronous belt machine be linked in sequence free roll platform, double speed roller platform, double speed belt feeder, high-speed belt conveyor and high speed roller platform, they install separately, end to end and form a plane pipeline with the synchronous belt machine, be equipped with across the edge knurling machine on high-speed belt conveyor top at the middle part of high-speed belt conveyor, the pressure roller of edge knurling machine is regulated according to the thickness difference of goods; A loop wheel machine is installed on the top of the high speed roller platform of plane pipeline end, loop wheel machine is with two gripping heads and can vertical lift and along the rack guide rail walking of framework upper, in loop wheel machine horizontal throw scope and the bottom of gripping head a supporting plate passback roller platform and be installed entrusted the straight sheet pile bracing frame, installing one in the middle of the supporting plate stackstand can be along supporting plate stackstand length direction voluntarily back and forth dull and stereotyped transfer car(buggy) and the kiln car of walking; Parallel with loop wheel machine at the other end of supporting plate passback roller platform another identical loop wheel machine is installed, in this loop wheel machine horizontal throw scope and the bottom of gripping head installs is supporting plate stackstand and outlet roller platform, comprised simultaneously the other end of supporting plate passback roller platform; Installing one in the middle of the supporting plate stackstand can be along the track reciprocal dull and stereotyped transfer car(buggy) of walking voluntarily, be connected in series at the middle part of outlet roller platform that a cover is planed to the plate face and the system of processing of sanding, one of the top cross-over connection of another terminal of outlet roller platform with two gripping heads and can vertical lift and along the loop wheel machine of the rack guide rail walking in a horizontal state of framework upper, the compartment of terrain is equipped with clamping platform, Double-edged Incising Saw, heap and stamps support platform and Side turning machine in the horizontal throw scope of loop wheel machine, with Side turning machine straight sheet pile output is installed abreast and rolls platform, in an other place high-pressure steaming and cultivating still is installed separately.
The invention provides a kind of every Architecural Physics parameter far above the new product of conventional wallboard, this product not only can be used for internal partition for building, and can be used for external wall, outer decorative wall and for such as sound-proof wall, fire wall, retaining wall, enclosure wall etc. of communal facility, can also produce Special-shaped Plates such as L-type, skirting, picture moulding, the technical indicator of having avoided conventional wallboard to produce is on the low side and the unicity of product category. Have the intensity height, the outward appearance exquisiteness is attractive in appearance, not yielding, and the performance such as bending resistance, anticorrosion, uvioresistant, freeze thawing resistance, machinability, insulation, sound insulation, fire prevention is particularly outstanding. Because its outstanding mass property so that construction simple and efficient, need not to plaster, avoid wet trade, shortened the construction period, increased the building usable floor area, improved the energy saving of building, reduced construction investment and use cost.
Wallboard manufacture complete set of equipments of the present invention is transported to finished product packing from measuring raw materials and automatically finishes by production line, the stability of its output and product quality is higher than the production technology of conventional wallboard far away, has realized industrialization, industrialization, the automation of wallboard manufacture. In whole production process, do not produce any pollution to water, air, noise and waste residue, meet the environmental requirement of country. Conservation system shows weather conditions and output requirement, can adopt natural curing and heating curing. Particularly, be lower than 0 ℃ or supply time in environment temperature and can adopt heating curing when urgent, otherwise, adopt natural curing to get final product.
Sheet metal thickness involved in the present invention is can be between 15-200mm selected arbitrarily, and the pass of wallboard can be various shapes, and the round of wallboard can be that single row of holes also can be many rounds. Annual production be can reach ten thousand square metres of 100-136, industrialization, scale, the automated production of building wall board realized. Simultaneously, proportioning accuracy height, steady quality, can be implemented in the 2-8 rice length range according to the high efficiency scale production of customer requirements, accomplish under large volume uses the prerequisite of flyash, to produce high strength, high performance building wall board.
Can find out that from following table the Specifeca tion speeification of light-duty high-strength fabric cement fly ash construction sheet material involved in the present invention is far above the technical indicator of national sector standard and other congenerous product.
| Project | Unit | Examining report value 600 * 80mm | China JG3063-1999 | Remarks |
| Surface density | Kg/m 2 | 68 | ≤80 | |
| Compression strength | Mpa | (25.2/ putting down) 39.2 (standing) 43.8 | ≥5.0 | |
| The bending resistance failing load | Plate deadweight multiple | 7.9 doubly | ≥1.5 | |
| Shock resistance | Inferior | ＞10 | ≥5 | |
| Sound reduction index | dB | 45 | ≥35 | Double-deck 60mm composite wall Rw=51dB |
| Fire endurance | H | ＞2 | 1 | The two-layer compound wallboard was greater than 4 hours |
| Thermal conductivity factor | W/m.k | 0.78 | / | Solid material |
| The internal radiation index | 0.2 | ≤1.0 | ||
| The external exposure index | 0.3 | ≤1.0 | ||
| Hanging force | N | 900-1800 (cantilever 200mm) | 1000 (cantilever 100mm) | |
| Anti-pulling | N | 500-37000 | / | Different anchoring pieces |
| Drying shrinkage value | mm/m | 0.5 | ≤0.6 | |
| Relative moisture content | ％ | 17.5 | ≤35 | |
| Linear expansion coefficient | 6.36×10-6/.C | / | ||
| Plate span centre docking bending resistance failing load | 173.26kg | / | Failing load is 1.53 times of plate deadweight | |
| The rain penetration performance | Be forced into 2000Pa constant voltage 1h with reference to GB7108-1986, rainwater flow 4L/m2.min, the plate face has no seepage | / | 60mm+40mm styrofoam+60mm, gross thickness is 160mm | |
| Heat transfer resistance R. | M2.k/w | 0.279 | / | The 60mm test value |
| Heat transfer coefficient | W/m 2.k | (1.094 being higher than Beijing area secondary energy-saving standard-required) | / | 60mm+40mm styrofoam+60mm, gross thickness is 160mm |
Description of drawings
Fig. 1 is process chart of the present invention;
Fig. 2 is the structural representation of cutting and separating part;
Fig. 3 is the structural representation of pass plate embossed surface part;
Fig. 4 is the structural representation of solid slab surface knurling part;
Fig. 5 is the structural representation of slab mounting plate and transhipment part;
Fig. 6 is the part partial enlarged drawing among Fig. 5;
Fig. 7 is the B-B profile among Fig. 5;
Fig. 8 is the structural representation of straight sheet pile transhipment part;
Fig. 9 is the structural representation of surfaces of wall processing part.
The specific embodiment
Below in conjunction with accompanying drawing the present invention is further specified:
As shown in Figure 1, various raw material except water are respectively through concentrating in the weighing hopper after the metering, discharging opening by weighing hopper enters in the mixer, mixing water enters in the mixer of stirring from water tank through metering, the material that mixes and stirs is sent into the constant batcher through the mixer discharging opening by belt conveyor, material through further processing is sent into the high pressure vacuum extruder by the belt conveyor of constant batcher outlet, slab is extruded from the die orifice of high pressure vacuum extruder, as required the upper surface of slab carried out annular knurl processing, then slab is surveyed long, cutting is also carried, before the slab mounting plate, can rest on the high-speed belt conveyor, by embossing machine the upper surface of solid slab is pressed the processing of texturing line, slab is at high speed roller platform station mounting plate, the supporting plate that will be loaded with slab by loop wheel machine carries out stacking, full-automatic kiln car is transported to the supporting plate buttress and carries out maintenance in the curing kilns, then the supporting plate buttress that maintenance is good is transported kiln discharge, the supporting plate that will be loaded with the goods of finishing maintenance by loop wheel machine winches to the enterprising andante piece separation of outlet roller platform, empty supporting plate hangs stacking and passback on the supporting plate passback roller platform by loop wheel machine, for reusing, goods are sent through the outlet roller platform, the sand machine carries out Surface Machining and dual-end saw carries out precise cutting to two ends by digging, carry out piling and packing by the goods of loop wheel machine after to cutting, the goods after the packing are sent to finalize the design maintenance or directly be sent to the finished product stockyard of autoclave.
As shown in Figure 2, at slab after high pressure vacuum extruder 1 is extruded, enter synchronous belt machine 4 in the synchronization cutting mechanism 5 via photoelectrical velocity measure equipment 2 and motorless free roll platform 3, after the front end of slab passes through free roll platform 6 and touches length detector 9, synchronization cutting mechanism 5 begins slab is carried out turned off in synchronization, the horizontal walking mechanism of bolt and nut that the rack-and-pinion longitudinal traveling mechanism that synchronization cutting mechanism 5 is driven by support, frequency control motor decelerator, motor reducer drive, the rotating saw blade cutting mechanism of motor direct-drive form, the double speed roller platform 7 that the frequency control motor decelerator drives namely can carry slab can separate fast cut slab with high speed again with variable frequency low speed with double speed belt feeder 8, the high-speed cruising time of double speed roller platform 7 between second, then returns to the speed of speed measuring device 2 feedbacks at 8-13; The high-speed cruising time of double speed belt feeder 8 between second, then returns to the speed of speed measuring device 2 feedbacks at 15-30.
As shown in Figure 3, pass plate embossed surface part is comprised of embossing machine 10, synchronous belt machine 13 and the side guard plate 11 identical with slab both sides shape, the long model outlet certain distance of the fuse of mould, this distance is to be as the criterion above the pressure roller bus of edge knurling machine 10 and the contact wire of slab 12, embossing machine 10 and synchronous belt machine 13 drive by the frequency control motor decelerator, the rotational line speed of cylinder and the space rate of synchronous belt machine 13 can automatically adjust according to the slab extruded velocity of photoelectrical velocity measure equipment 2 feedbacks, to realize synchronously.
As shown in Figure 4, in solid slab surface knurling part, edge knurling machine 15 is above high-speed belt conveyor middle part, and the pressure roller of edge knurling machine 15 can rotation and back and forth walked along rack-track, and pressure roller can be regulated with the thickness of slab is different from the distance between the high-speed belt conveyor 16.
Such as Fig. 5～shown in Figure 7, slab mounting plate and transhipment part are comprised of high speed roller platform 17, supporting plate 18 and loop wheel machine 19, placed in advance the supporting plate 18 that is formed by several T-steels and frame welding on high speed roller platform 17, the plane of the supporting plate 18 that T-steel forms is lower than the plane 3-5mm of the Up Highway UHW composition of high speed roller platform 17 each roller; When slab is transported to the centre position of high speed roller platform 17, high speed roller platform 17 stops operating, a gripping head of loop wheel machine 19 is hung away supporting plate 18, slab is transferred on the supporting plate and transports together, and another gripping head of loop wheel machine 19 is placed on the high speed roller platform 17 an empty supporting plate for next cycle immediately.
As shown in Figure 8, loop wheel machine 19 by framework, two can vertical lift gripping head and the motor reducer driving mechanism of gripping head walking in a horizontal state form, on a gripping head of loop wheel machine 19 is responsible for the supporting plate 18 that is loaded with slab hung oneself supporting plate stackstand 20 from high speed roller platform 17, another gripping head of loop wheel machine is with being about to empty supporting plate from supporting plate passback roller platform 27, hang on high speed roller platform 17, walking mechanism, vertical lifting mechanism that dull and stereotyped transfer car(buggy) 21 drives with motor reducer, dull and stereotyped transfer car(buggy) is responsible for supporting plate is piled up neatly jack-up and is displaced to assigned address along track 22, sub-car 24 will be from female car 25 sails supporting plate buttress 26 into its jack-up and returns on female car 25 along track 23, female car 25 will carry sub-car 24 drives towards appointment along track 23 curing kilns, then sailed in the curing kilns by sub-car 24, maintenance is carried out in the position that the supporting plate buttress is placed on appointment; Equally, sub-car and female car take out the good goods of maintenance in the other curing kilns and drive to other one therewith on the identical transfer lines, by a gripping head of loop wheel machine supporting plate is hung on the outlet roller platform 28, goods are exported, another gripping head hangs stacking on supporting plate passback roller platform 27 with empty supporting plate, reuses for production line.
As shown in Figure 9, be connected in series a upper surface in the stage casing of outlet roller platform 28 and dug sand machine 29 and lower surface plane sand machine 30, dug the sand machine and formed by frame, upper planing roller, side planing roller, driving power device and abrasive band roller. The plane roller of High Rotation Speed can carry out machining to upper and lower surface and the side of slab, then, through the high speed abrasive band upper and lower surface through machining is carried out grinding.
Claims (7)
1. light high-strength fiber cement fly ash building wall board, its raw material components and content (parts by weight) are as follows:
Cement 20-30 part flyash 30-50 part
Cab-O-sil 20-30 part string and organic fiber 3-5 part
Methylcellulose (MC) 0.3-0.5 part water 13-20 part
Its concrete production technology may further comprise the steps:
To lay in silo or feed bin separately through selection or finished raw material (cement, flyash, Cab-O-sil or zeolite powder and vermiculite power, string, methylcellulose), various raw materials except water are joined in the mixer of duty through behind the weight metering respectively, through adding gradually again through the water of metering after stirring and fully stirring, the compound that then will mix and stir is discharged into a constant batcher, extrude, the long cutting of embossing, survey, transport mounting plate, enter kiln maintenance, kiln discharge through the high pressure vacuum extruder, at last, through Surface Machining, smart cutting, piling packing, the steam-cured finished product that is of autoclave typing.
2. light high-strength fiber cement fly ash building wall board according to claim 1 is characterized in that: Cab-O-sil can substitute with zeolite powder or vermiculite power, and the proportioning of zeolite powder or vermiculite power is identical with the proportioning of Cab-O-sil.
3. light high-strength fiber cement fly ash building wall board according to claim 1, it is characterized in that: can be with spherical cinclides perlite to substitute part Cab-O-sil or zeolite powder and vermiculite power, alternative amount can be at the 30-50% of Cab-O-sil, zeolite powder and vermiculite power consumption.
4. complete set of equipments of producing claim 1 or 2 or 3 described light high-strength fiber cement fly ash building wall boards, it is characterized in that: the synchronous belt machine (4) that a band free roll platform (3) is installed at the mould outlet of high pressure vacuum extruder (1), synchronization cutting mechanism (5) is across the end of synchronous belt machine (4), synchronous belt machine (4) the free roll platform (6) that has been linked in sequence, double speed roller platform (7), double speed belt feeder (8), high-speed belt conveyor (16) and high speed roller platform (17), they are installed separately, end to end and form a plane pipeline with synchronous belt machine (4), a loop wheel machine (19) is installed on the top of high speed roller platform (17), loop wheel machine is with two gripping heads and can vertical lift and along the rack guide rail walking of framework upper, in loop wheel machine (19) horizontal throw scope and the bottom of gripping head a supporting plate passback roller platform (27) and be installed entrusted straight sheet pile bracing frame (20), dull and stereotyped transfer car(buggy) (21) and the kiln car (24) that can back and forth walk voluntarily along supporting plate stackstand length direction is installed in the middle of supporting plate stackstand (20); Parallel with loop wheel machine (19) at the other end of supporting plate passback roller platform (27) another loop wheel machine (19) is installed, in this loop wheel machine (19) horizontal throw scope and the bottom of gripping head installs is supporting plate stackstand (20) and outlet roller platform (28), comprised simultaneously the other end that supporting plate returns roller platform (27); Installing one in the middle of supporting plate stackstand (20) can be along the track reciprocal dull and stereotyped transfer car(buggy) (21) of walking voluntarily, be connected in series at the middle part of outlet roller platform (28) that a cover is planed to the plate face and the upper surface of sanding digs sand machine (29) and lower surface plane sand machine (30), one of the top cross-over connection of outlet roller platform (28) other end with two gripping heads and can vertical lift and along the loop wheel machine (19) of the rack guide rail walking in a horizontal state of framework upper, the compartment of terrain is equipped with smart cutting, piling packing and output of products system in the horizontal throw scope of loop wheel machine (19), in an other place high-pressure steaming and cultivating still is installed separately.
5. complete set of equipments according to claim 4, it is characterized in that: embossing machine (10) is installed in the and then exit position of high pressure vacuum extruder (1) mould, across the top of synchronous belt machine (13).
6. complete set of equipments according to claim 4, it is characterized in that: the edge knurling machine (15) across its top is installed at the middle part of high-speed belt conveyor (16), and the pressure roller of edge knurling machine (15) is regulated according to the thickness difference of goods.
7. complete set of equipments according to claim 5, it is characterized in that: the edge knurling machine (15) across its top is installed at the middle part of high-speed belt conveyor (16), and the pressure roller of edge knurling machine (15) is regulated according to the thickness difference of goods.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100002493A CN1320229C (en) | 2005-01-07 | 2005-01-07 | Light-duty high-strength fabric cement fly ash construction wallboard and complete set equipment for making same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100002493A CN1320229C (en) | 2005-01-07 | 2005-01-07 | Light-duty high-strength fabric cement fly ash construction wallboard and complete set equipment for making same |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2006101455654A Division CN100558522C (en) | 2005-01-07 | 2005-01-07 | A kind of production equipment of light high-strength fiber cement fly ash building wall board |
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| CN1632258A true CN1632258A (en) | 2005-06-29 |
| CN1320229C CN1320229C (en) | 2007-06-06 |
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| CNB2005100002493A Active CN1320229C (en) | 2005-01-07 | 2005-01-07 | Light-duty high-strength fabric cement fly ash construction wallboard and complete set equipment for making same |
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| CN101713236B (en) * | 2009-11-30 | 2011-03-02 | 陈兆平 | Light and high-strength wallboard made from fiber reinforced concrete and preparation method thereof |
| CN101405461B (en) * | 2006-03-13 | 2012-07-04 | 朴赞五 | Grass(herbaceous plant) fiber |
| CN104177001A (en) * | 2014-07-18 | 2014-12-03 | 房晓磊 | Compact concrete slab and manufacturing method thereof |
| CN104760133A (en) * | 2015-04-04 | 2015-07-08 | 朱国家 | Production device of building decoration part and preparation process of building decoration part |
| CN106313281A (en) * | 2016-08-31 | 2017-01-11 | 福建泉州拓创机电设备贸易有限公司 | Automatic oil sludge tile pressing and forming system |
| CN106927750A (en) * | 2017-03-24 | 2017-07-07 | 北京恒通创新赛木科技股份有限公司 | Building mortar and preparation method thereof and fibre cement wallboard |
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| CN1019324B (en) * | 1990-04-20 | 1992-12-02 | 罗世斌 | Composite board with flyash and cement fibre surface |
| CN1143055A (en) * | 1995-04-20 | 1997-02-19 | 沈阳市三维发展实业公司 | Fly ash light hollow wall plate |
| JPH1149580A (en) * | 1997-07-30 | 1999-02-23 | Ado Space Kk | Panel for external wall |
| CN1184194A (en) * | 1997-09-25 | 1998-06-10 | 乐向阳 | Foamed concrete strip for hollow partition wall and its mould |
| JP2003300767A (en) * | 2002-04-08 | 2003-10-21 | Nichiha Corp | Inorganic board and manufacturing method therefor |
| CN2599110Y (en) * | 2002-12-23 | 2004-01-14 | 余毅 | Light foamed sandwish wallboard |
| CN1219954C (en) * | 2003-03-10 | 2005-09-21 | 张英保 | Light cast-in-situs concrete wallboard |
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| CN101405461B (en) * | 2006-03-13 | 2012-07-04 | 朴赞五 | Grass(herbaceous plant) fiber |
| CN101713236B (en) * | 2009-11-30 | 2011-03-02 | 陈兆平 | Light and high-strength wallboard made from fiber reinforced concrete and preparation method thereof |
| CN104177001A (en) * | 2014-07-18 | 2014-12-03 | 房晓磊 | Compact concrete slab and manufacturing method thereof |
| CN104177001B (en) * | 2014-07-18 | 2016-11-23 | 房晓磊 | Compact substance concrete plate and manufacture method thereof |
| CN104760133A (en) * | 2015-04-04 | 2015-07-08 | 朱国家 | Production device of building decoration part and preparation process of building decoration part |
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| CN106313281B (en) * | 2016-08-31 | 2018-09-28 | 福建泉州拓创机电设备贸易有限公司 | The automatic compression moulding system of greasy filth watt |
| CN106927750A (en) * | 2017-03-24 | 2017-07-07 | 北京恒通创新赛木科技股份有限公司 | Building mortar and preparation method thereof and fibre cement wallboard |
| CN109465953A (en) * | 2018-11-07 | 2019-03-15 | 吐鲁番恒通赛木新型建材有限公司 | A kind of energy-efficient cement fibrolite plate full set process units |
| CN110640889A (en) * | 2019-09-05 | 2020-01-03 | 北新绿色住宅有限公司 | Method and device for producing and manufacturing cement board formed by extruding, drawing and embossing |
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| CN1320229C (en) | 2007-06-06 |
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